By 2030, or by 2050 at the latest, will a super-smart artificial intelligence decide to keep humans around as pets? Will it instead choose to turn the entire Earth, including the messy organic bits like us, into computronium? Or is there a third alternative?

These were some of the questions pondered by the 600 or so technosavants meeting in the Palace of Fine Arts at the second annual Singularity Summit this past weekend.